signal: function(event, data) {
console.log('signal', this, event, data);
if (this.observers[event]) {
- for (var i=0; i < this.observers[event].length; i++) {
- this.observers[event][i].handle(event, data);
- };
+ for (key in this.observers[event]) {
+ this.observers[event][key](event, data);
+ }
};
return this;
},
- addObserver: function(observer, event) {
+ addObserver: function(observer, event, callback) {
if (!this.observers[event]) {
- this.observers[event] = [];
+ this.observers[event] = {};
}
- this.observers[event].push(observer);
+ this.observers[event][observer.id] = callback;
return this;
},
this.removeObserver(observer, e);
}
} else {
- for (var i=0; i < this.observers[event].length; i++) {
- if (this.observers[event][i] === observer) {
- this.observers[event].splice(i, 1);
- }
- }
+ delete this.observers[event][observer.id];
}
return this;
}
+});
+
+
+var XMLModel = Model.extend({
+ parent: null,
+ data: '',
+ serverURL: null,
+ needsReload: false,
+
+ init: function(parent, serverURL) {
+ this.parent = parent;
+ this.serverURL = serverURL;
+ },
+
+ getData: function() {
+ if (!this.data) {
+ this.reload();
+ }
+ return this.data;
+ },
+
+ setData: function(data) {
+ this.data = data;
+ this.dataChanged();
+ },
+
+ reload: function() {
+ $.ajax({
+ url: this.serverURL,
+ dataType: 'text',
+ success: this.reloadSucceeded.bind(this)
+ });
+ },
+
+ reloadSucceeded: function(data) {
+ this.data = data;
+ this.signal('reloaded');
+ },
+
+ dataChanged: function() {
+ this.parent.modelChanged('xml');
+ this.signal('dataChanged');
+ },
+
+ needsReload: function() {
+ this.needsReload = true;
+ this.signal('needsReload');
+ }
+})
+
+
+
+var HTMLModel = Model.extend({
+ parent: null,
+ data: '',
+ serverURL: null,
+ needsReload: false,
+
+ init: function(parent, serverURL) {
+ this.parent = parent;
+ this.serverURL = serverURL;
+ },
+
+ getData: function() {
+ if (!this.data) {
+ this.reload();
+ }
+ return this.data;
+ },
+
+ setData: function(data) {
+ console.log('setData');
+ if (this.data != data) {
+ this.data = data;
+ this.dataChanged();
+ }
+ },
+
+ reload: function() {
+ $.ajax({
+ url: this.serverURL,
+ dataType: 'text',
+ success: this.reloadSucceeded.bind(this)
+ });
+ },
+
+ reloadSucceeded: function(data) {
+ this.data = data;
+ this.signal('reloaded');
+ },
+
+ dataChanged: function() {
+ this.parent.modelChanged('html');
+ },
+
+ needsReload: function() {
+ this.needsReload = true;
+ this.signal('needsReload');
+ }
})
+
var DocumentModel = Model.extend({
data: null, // name, text_url, latest_rev, latest_shared_rev, parts_url, dc_url, size
- xml: '',
- html: '',
+ xml: null,
+ html: null,
+ contentModels: {},
- init: function() {},
+ init: function() {
+ this.getData();
+ },
- getData: function(callback) {
- console.log('get:', documentsUrl + fileId);
+ getData: function() {
+ console.log('DocumentModel#getData');
$.ajax({
cache: false,
url: documentsUrl + fileId,
dataType: 'json',
- success: this.successfulGetData.bind(this, callback)
+ success: this.successfulGetData.bind(this)
});
},
- successfulGetData: function(callback, data) {
+ successfulGetData: function(data) {
+ console.log('DocumentModel#successfulGetData:', data);
this.data = data;
- this.signal('changed');
- if (callback) {
- (callback.bind(this))(data);
- }
- },
-
- getXML: function(callback) {
- this.signal('xml-freeze');
- if (!this.data) {
- this.getData(this.getXML);
- } else {
- console.log('getXML:', this.data.text_url);
- $.ajax({
- cache: false,
- url: this.data.text_url,
- dataType: 'text',
- success: this.successfulGetXML.bind(this, callback)
- });
+ this.contentModels = {
+ 'xml': new XMLModel(this, data.text_url)
};
},
- successfulGetXML: function(callback, data) {
- if (data != this.xml) {
- this.xml = data;
- this.signal('changed');
- this.signal('xml-changed');
+ modelChanged: function(contentModelName) {
+ for (modelName in this.contentModels) {
+ if (!(modelName == contentModelName)) {
+ this.contentModels[modelName].needsReload();
+ }
}
- this.signal('xml-unfreeze');
}
});